The 1982–83 Southern Football League season was the 80th in the history of the league, an English football competition.
This season saw the reintroduction of the Premier Division. AP Leamington won the Premier Division, winning their first Southern League title, whilst Kidderminster Harriers was promoted to the Alliance Premier League. Cheltenham Town, Folkestone, Sutton Coldfield Town, Fisher Athletic were all promoted to the Premier Division, the last two for the first time in their history.
The Premier Division was reformed and consisted of the best clubs from the Midland and the Southern divisions. It also featured three new clubs, relegated from the Alliance Premier League:
At the end of the season Enderby Town changed name to Leicester United.
| Competition: | Southern Football League Premier Division |
| Season: | 1982–83 |
| Winners: | AP Leamington |
| Promoted: | Kidderminster Harriers |
| Relegated: | Addlestone & Weybridge Town Enderby Town Poole Town Waterlooville |
| Matches: | 380 |
| Total Goals: | 1105 |
| Prevseason: | 1981–82 (Midland Division) 1981–82 (Southern Division) |
| Nextseason: | 1983–84 |
After the Premier Division reintroduction at the end of the previous season, the Midland Division consisted of 17 clubs, including 11 clubs from the previous season Midland Division and six new clubs:
| Competition: | Southern Football League Midland Division |
| Season: | 1982–83 |
| Winners: | Cheltenham Town |
| Promoted: | Cheltenham Town Sutton Coldfield Town |
| Matches: | 272 |
| Total Goals: | 832 |
| Prevseason: | 1981–82 |
| Nextseason: | 1983–84 |
After the Premier Division reintroduction at the end of the previous season, the Southern Division consisted of 18 clubs, including 14 clubs from the previous season Southern Division and four new clubs:
| Competition: | Southern Football League Southern Division |
| Season: | 1982–83 |
| Winners: | Fisher Athletic |
| Promoted: | Fisher Athletic Folkestone |
| Matches: | 306 |
| Total Goals: | 878 |
| Prevseason: | 1981–82 |
| Nextseason: | 1983–84 |